Seiko Cal. 5650 - 928

The 5650-928 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5650 caliber with 25j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-a0e93b21016c]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

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